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No. of records in database

No. of 1km squares recorded since 1980

Possible other sources of data sets

5

-

Stephen Lambert PhD

12

2

Stephen Lambert PhD

4

3

Stephen Lambert PhD

4

1

Stephen Lambert PhD

Dwarf Stonewort Nitella tenuissima

P?

Starry Stonewort Nitellopsis obtusa

P

Tassel Stonewort Tolypella intricata

P

Great Tassel Stonewort Tolypella prolifera

P

Other survey work completed or in progress

Comments

John Williamson and Dr Carl Sayer are working on charophytes and will let us have their records John Williamson and Dr Carl Sayer are working on charophytes and will let us have their records John Williamson and Dr Carl Sayer are working on charophytes and will let us have their records. Stephen Lambert surveys 2008. John Williamson and Dr Carl Sayer are working on charophytes and will let us have their records

Calcareous, peaty areas. Foulden, South Lopham, Lenwade. Last record 1976 – known recently from only 3 British sites. Classified Endangered

Recorded from six sites in the Norfolk Broads, but recent surveys in only two. May return to former sites if benthos disturbed or vegetation cleared. Norfolk Group Action Plan published January 2008.

Gillingham, Cantley Marshes. Sculthorpe Fen in 2006 Classified Endangered. Norfolk Action Plan published January 2007.

Welney, Southery. G. Nobes found it in dyke at Cess near Martham in July 2006 – first Norfolk record for fifty years. Not re-found at Cess in 2007 or 2008 (P. Heath pers.comm.) Classified Endangered

Species

Present or absent in Norfolk

24

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